When 50% is NOT a Coin Flip

When is 50% not a coin flip?  It occurs when the base rate of occurrence (often referred to as a “prior probability”) differs significantly. 

In cybersecurity, we deal with a small number of abnormal and malicious events – compared to a large number of benign ones.  As machine learning becomes more prevalent in cybersecurity, understanding prior probabilities is a must.

This video introduces you to the topic.


When 50% is NOT a Coin Flip


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